/* 动态渐变背景 */
.register-container {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 100vw;
    background: linear-gradient(to right, rgb(112, 225, 245), rgb(255, 209, 148));
    overflow: hidden;
    background-size: 200% 200%;
    animation: gradientBG 15s ease infinite;
}

/* 动态背景动画 */
@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 注册框样式 */
.register-box {
    position: relative;
    z-index: 1;
    background-color: white;
    width: 350px;
    margin: 120px auto;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.register-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

/* 标题样式 */
.register-title {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
    font-weight: 600;
}

/* 按钮样式 */
.register-button {
    width: 100%;
    color: white;
    border: none;
    border-radius: 25px;
    padding: 12px 0;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(40, 60, 134, 0.3);
}

.register-button:hover {
    background: linear-gradient(to right, rgb(69, 162, 71), rgb(40, 60, 134));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40, 60, 134, 0.4);
}